/Engine/Plugins/FX/Niagara/Source/Niagara/Classes/NiagaraDataInterfaceRW.h
void SetInstanceData ( [FNiagaraSystemInstanceID](API\Plugins\NiagaraCore\FNiagaraSystemInstanceID) InSystemInstanceID, [FNiagaraSimStageData](API\Plugins\Niagara\FNiagaraSimStageData) & InSimStageData )